Re: [PATCH] tee: ACPI support for optee driver
From: Mayuresh Chitale
Date: Thu Sep 21 2017 - 03:56:31 EST
On Thu, Sep 21, 2017 at 1:15 PM, Hanjun Guo <guohanjun@xxxxxxxxxx> wrote:
> On 2017/9/21 15:12, Mayuresh Chitale wrote:
>> This patch modifies the optee driver to add support for parsing
>> the conduit method from an ACPI node.
> Sorry I didn't involve this earlier, but I think this is a wrong
> approach, in ACPI 5.1+ spec, there is a bit in FADT table which
> indicates PSCI using SMC or HVC, please see ACPI 6.2 ,
> Table 5-37 Fixed ACPI Description Table ARM Boot Architecture Flags.
> Can we just use that to get the conduit method for optee driver too?
Thanks for the comment. I will check it out.
> : http://www.uefi.org/sites/default/files/resources/ACPI_6_2.pdf
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